1 /* 2 * STM32F4XX EXTI 3 * 4 * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me> 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 25 #ifndef HW_STM_EXTI_H 26 #define HW_STM_EXTI_H 27 28 #include "hw/sysbus.h" 29 #include "hw/hw.h" 30 31 #define EXTI_IMR 0x00 32 #define EXTI_EMR 0x04 33 #define EXTI_RTSR 0x08 34 #define EXTI_FTSR 0x0C 35 #define EXTI_SWIER 0x10 36 #define EXTI_PR 0x14 37 38 #define TYPE_STM32F4XX_EXTI "stm32f4xx-exti" 39 #define STM32F4XX_EXTI(obj) \ 40 OBJECT_CHECK(STM32F4xxExtiState, (obj), TYPE_STM32F4XX_EXTI) 41 42 #define NUM_GPIO_EVENT_IN_LINES 16 43 #define NUM_INTERRUPT_OUT_LINES 16 44 45 typedef struct { 46 SysBusDevice parent_obj; 47 48 MemoryRegion mmio; 49 50 uint32_t exti_imr; 51 uint32_t exti_emr; 52 uint32_t exti_rtsr; 53 uint32_t exti_ftsr; 54 uint32_t exti_swier; 55 uint32_t exti_pr; 56 57 qemu_irq irq[NUM_INTERRUPT_OUT_LINES]; 58 } STM32F4xxExtiState; 59 60 #endif 61